{"id":"cisa-kev-cve-2023-49105","seq":70,"kind":"advisory","title":"[悪用確認] CVE-2023-49105: ownCloud Improper Authentication Vulnerability","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49105","permalink":"https://vulnpulse.app/items/cisa-kev-cve-2023-49105","summary":"ownCloud ownCloud\nownCloud contains an improper authentication vulnerability that allows an attacker to access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured.\n対応: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. (期限 2026-08-30)","severity":"critical","techs":[],"cves":["CVE-2023-49105"],"tags":["exploited","kev","ownCloud","ownCloud"],"source":{"id":"cisa-kev","name":"CISA Known Exploited Vulnerabilities"},"published_at":"2026-08-27T00:00:00.000Z","fetched_at":"2026-10-21T16:17:45.406Z"}